* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

em,
li,
i {
    font-style: normal;
}

li {
    list-style: none;
}
a {
    color: rgba(66,66,66,1);
    text-decoration: none;
}

a:hover {
    color: #c81623;
}
img {
    /* border: 0 照顾低版本浏览器,如果图片外面包含了链接,会有边框的问题 */
    border: 0;
    /* 取消图片底册有空白缝隙的问题 */
    vertical-align: middle;
}

/* 鼠标经过 button 时,鼠标变成小手 */
button {
    cursor: pointer;
}


button,
input {
    /* "\5B8B\4F53"是宋体的意思,这样浏览器兼容性比较好 */
    font-family: Microsoft Yahei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    border: 0;
    outline: none;
}

body {
    /* CSS3 属性,抗锯齿性,让文字显示的更加清晰 */
    -webkit-font-smoothing: antialiased;
    background-color: #f5f5f5;
    font: 12px/1.5 Microsoft Yahei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
}

p {
    font-size: 14px;
    line-height: 24px;
    text-indent:2em;
    color: #333333;
    margin: 0 36px;
    zoom: 1;
}

::-webkit-input-placeholder { /* WebKit browsers */
    color: rgba(196,196,196,1);
    font-size: 16px;
}

::-moz-placeholder { /* Mozilla Firefox 19+ */
    color: rgba(196,196,196,1);
    font-size: 16px;
}

:-ms-input-placeholder { /* Internet Explorer 10+ */
    color: rgba(196,196,196,1);
    font-size: 16px;
}

.w {
    width: 1200px;
    margin: auto;
}

#software{
    background-color: rgba(255,255,255,1);
    width: 100%;
    height: 3000px;
    z-index:999;
}

.header{
    height: 52px;
    margin: 0 auto 20px auto;
    padding: 10px 0 0 0;
    box-shadow: 0px 4px rgba(0, 0, 0, 0.1);
}

#login, #register {
    position: absolute;
    left: 50%;
    top: 65%;
    width: 400px;
    margin-left: -200px;
    margin-top: -300px;
    padding: 32px;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 12px;
}

#login{
    height: 320px;
    z-index:999;
}

#register{
    height: 420px;
    z-index:999;
}

#login h1, #register h1{
    color: rgba(38, 38, 38, 1);
    font-size: 28px;
    font-weight: 500;
    line-height: 36px;
    margin-bottom: 32px;
}

#login input, #register input{
    display: inline;
    border-radius: 8px;
    text-indent: 1em;
    width: 90%;
    height: 40px;
    font-size: 15px;
    line-height: 40px;
    border: 1px solid #ccc;
    margin-bottom: 16px;
    color:rgba(38,38,38,1);
}

#login input:focus, #register input:focus{
    border: 1px solid rgba(46,181,61,1);
}

#login .icon-cross, #login .icon-checkmark, #register .icon-cross, #register .icon-checkmark{
    margin-left: 8px;
    font-size: 18px;
}

#login .icon-cross, #register .icon-cross{
    color: rgba(190,0,3,1);
}

#login .icon-checkmark, #register .icon-checkmark{
    color: rgba(46,181,61,1);
}

.cursorRegisterLogin{
    width: 90%;
    height: 30px;
    border-radius: 12px;
    font-size: 16px;
    line-height: 30px;
    margin: 6px 0 12px 0;
    color: rgba(255, 255, 255, 1);
}

#login span, #register span{
    color: rgba(141,141,141,1);
    cursor:pointer;
    font-size: 14px;
    margin-left: 260px;
}

#login span:hover, #register span:hover{
    color: rgba(45,181,93,1);
    border-bottom: 2px solid rgba(45,181,93,1);
}

#register .identify{
    width: 65%;
}

#register .identifySend{
    display: inline-block;
    width: 80px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 1px solid;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 1);
}

.nav {
    float: left;
    margin-left: 60px;
}

.nav ul li {
    float: left;
    margin: 0 15px;
}

.nav ul li  {
    display: block;
    height: 42px;
    padding: 0 10px;
    line-height: 42px;
    font-size: 18px;
    color: #050505;
    color: rgba(66,66,66,1);
    text-decoration: none;
}

.nav ul li :hover {
    border-bottom: 2px solid #00a4ff;
    color: #c81623;
}


.user {
    float: right;
    line-height: 42px;
    margin-right: 30px;
    font-size: 14px;
    color: #666666;
}

.user .registerLogin{
    display: inline-block;
    /*display: none;*/
    padding: 0 10px;
    height: 42px;
    line-height: 42px;
    font-size: 17px;
    color: rgba(5, 5, 5 ,1);
    cursor: pointer;
}

.user .nav-register:hover, .user .nav-login:hover{
    border-bottom: 2px solid rgba(200, 22, 35 ,1);
    color: rgba(200, 22, 35 ,1);
}

.user .loginUser{
    display: inline-block;
    padding: 0 10px;
    height: 42px;
    line-height: 42px;
    font-size: 17px;
    color: rgba(5, 5, 5 ,1);
    cursor:default;
}

.question{
    height: 1200px;
}

.question table{
    width: 1200px;
}

.question table thead tr{
    height: 20px;
    color: rgba(89, 89, 89, 1);
    font-size: 14px;
}